VDB
CVE-2019-17455
CVE-2019-17455
PUBLISHED
Libntlm through 1.5 relies on a fixed buffer size for tSmbNtlmAuthRequest, tSmbNtlmAuthChallenge, and tSmbNtlmAuthResponse read and write operations, as demonstrated by a stack-based buffer over-read in buildSmbNtlmAuthRequest in smbutil.c for a crafted NTLM request.
EPSS 7.08% · 91.7th percentile
Risk Scores
EPSS Score
7.08%
91.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:14.04:LTS | libntlm | 0, 1.4-1 |
| Ubuntu:20.04:LTS | libntlm | 0, 1.5-2 |
| Ubuntu:18.04:LTS | libntlm | 0, 1.4-8 |
| Ubuntu:Pro:16.04:LTS | libntlm | 1.4-7, 0 |
Exploit Intelligence
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942145 (nist-nvd)
- https://gitlab.com/jas/libntlm/issues/2 (nist-nvd)
- https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-17455.html (circl)
- https://security-tracker.debian.org/tracker/CVE-2019-17455 (circl)
- [debian-lts-announce] 20200510 [SECURITY] [DLA 2207-1] libntlm security update (circl)
- openSUSE-SU-2020:0816 (circl)
- openSUSE-SU-2020:0806 (circl)
- FEDORA-2020-8794383d6f (circl)
- FEDORA-2020-1f643c272c (circl)
- [debian-lts-announce] 20211128 [SECURITY] [DLA 2831-1] libntlm security update (circl)
Timeline
- Oct 10, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- Mar 11, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-17455 third-party-advisory
- https://gitlab.com/jas/libntlm/issues/2 third-party-advisory
- https://ubuntu.com/security/notices/USN-5108-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-17455 third-party-advisory
- https://ubuntu.com/security/notices/USN-5108-2 vendor-advisory